Siemens LMV51.100B2 - Page 263

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Siemens Building Technologies Basisdokumentation LMV5... CC1P7550de
HVAC Products 18 Addendum 3: Variable speed drive (VSD) module 21.07.2004
18.5 Description of the connection terminals for the
variable speed drive module
Terminal designation
Connection symbol
In
p
ut
Out
p
ut
Description Electrical rating
PIN1 x Power supply for speed sensor approx. DC 10 V
max. 45 mA
PIN2 x Speed input Uin max = DC 10 V
Uin min high level = DC 3 V
Uin max low level = DC 1.5 V
PIN3 x Reference ground
PIN4 Reserve
X70
FE
Usensor
Pulse-IN
Reserve
2 Wire
3 W ire - PNP
PIN5 x Functional earth for shield connection
PIN1 x Power supply for fuel meter approx. DC 10 V
max. 45 mA
PIN2 x Fuel meter input gas Uin max = DC 10 V
Uin min high level = DC 3 V
Uin max low level = DC 1.5 V
PIN3 x Reference ground
X71
Usensor
FE
2 Wire
Pulse-IN
3 W ire - PNP
PIN4 x Functional earth for shield connection
PIN1 x Power supply for fuel meter approx. DC 10 V
max. 45 mA
PIN2 x Fuel meter input oil Uin max = DC 10 V
Uin min high level = DC 3 V
Uin max low level = DC 1.5 V
PIN3 x Reference ground
X72
Usensor
FE
2 Wire
Pulse-IN
3 W ire - PNP
PIN4 x Functional earth for shield connection
PIN1 x Reference contact
PIN2 x Release contact
max. AC / DC 24 V
max. 2 A
PIN3 x Alarm input DC 0...24 V
PIN4 x 0 / 4...20 mA control of variable speed drive 0...20 mA
RLmax = 750
Ω
PIN5 x Reference ground
X73
Start - OUT
12-24VDC Alarm-IN
0/4-20mA Setpoint OUT
FE
PIN6 x Functional earth